Home / 1,555,657.86-2,146,044.80-1,039,538.46

Finding the Fourth Proportional to 1,555,657.86, 2,146,044.80 and 1,039,538.46

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Solution

The fourth proportional to 1,555,657.86, 2,146,044.80 and 1,039,538.46 is: 1,434,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,657.86 : 2,146,044.80 = 1,039,538.46 : x
  2. Step 2: Convert to fraction form
    1,555,657.86/2,146,044.80 = 1,039,538.46/x
  3. Step 3: Cross multiply
    1,555,657.86x = 2,146,044.80 × 1,039,538.46
  4. Step 4: Simplify right side
    1,555,657.86x = 2,230,896,106,483.01
  5. Step 5: Solve for x
    x = 2,230,896,106,483.01/1,555,657.86
  6. Step 6: Final answer
    x = 1,434,053.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.